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How to fix "This copy of the Install OS X Mavericks application can't be verified. It may have been corrupted or tampered with during downloading." message and install Mavericks or older operating system versions of OS X on VmWare Fusion application

It is very annoying to see  the message "This copy of the Install OS X Mavericks application can't be verified. It may have been corrupted or tampered with during downloading."  when you try to install old releases of Apple OS X operating systems such as Mountain Lion, Mavericks, Yosemite etc. If you are trying to install OS X Mavericks as virtual machine in VMWare fusion or in physical system, then follow below steps to successfully install the operating system.

In VMWARE Fusion.

  1. Create a OSX Mavericks VM by attaching OSX Mavericks Installer to the virtual machine.
  2. Do not Poweron the virtual machine. If powered on automatically after 1st step above then poweroff the VM.
  3. Open Virtual Machine Settings, Goto Advanced Section.
  4. Un check "Synchronize Time" setting.
  5. Start the Virtual Machine to install the OSX Mavericks.
  6. In the OSX Installer app , Launch Terminal.app.
  7. Set the system date to old date as date 102613152013 (Oct/26/2013 13:15).
  8. Quit the Terminal application.
  9. Continue with the installation.

In Physical System:

Prior starting the installation change the system date to old date as said above using terminal app launched from OS X Installer application.

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Comments

  1. Anand PanditTuesday, August 30, 2016

    Use following date for :

    1. Mountain Lion : 102613152012
    2. Mavericks:102613152013
    3. Yosemite: 102613152014
    4. El Capitan: 102613152015

    ReplyDelete
  2. UnknownWednesday, December 13, 2017

    Why iMac Macbook production before Maverick Osx no internet recovery
    this an answer

    ReplyDelete

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